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早期的语言体验调节了声时间和词语语义皮层语音跟踪之间的权衡
Jose Pérez-Navarro1, Anastasia Klimovich-Gray2, Mikel Lizarazu1
1Basque Center on Cognition, Brain and Language (BCBL), 20009 Donostia-San Sebastian, Spain.
iScience
|July 15, 2024
概括
双语儿童根据经验,对语言表现出不同的大脑反应. 语言体验塑造了大脑如何处理语音和语义的过程,影响了早期的语言学习.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 语言学的语言学.
背景情况:
- 语音的皮层跟踪对于发展语音感知至关重要.
- 积累的语言经验对皮质语音跟踪的影响仍然未被探索.
研究的目的:
- 为了研究积累的语言经验如何塑造双语儿童的皮质语音跟踪.
- 检查语音跟踪在音声-时间和词汇-语义层面.
主要方法:
- 脑电图 (EEG) 用于记录35名双语儿童 (6岁) 的大脑活动.
- 孩子们在他们的两种语言中听到连续的演讲,体验水平不同.
- 在声时间和词语语义处理阶段评估皮质跟踪.
主要成果:
- 在最不经验丰富的语言中观察到更强大的声时间跟踪.
- 在最有经验的语言中,更敏感的词汇和语义跟踪发生了.
- 在最有经验的语言中,声时间跟踪与语音能力相关,词语语义跟踪与词汇知识相关.
结论:
- 积累的语言经验是早期语言学习的重要成熟因素.
- 语言体验在不同层次上对神经处理语音产生不同影响.
- 研究结果强调了大脑在应对不同语言暴露时的适应能力.
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